IP Library › Granted Patent US 688,715
Granted Patent S1
US 688,715 · App. 29/427,973 · Granted Aug 27, 2013

Main cutting insert of a masonry drill bit

Inventors: Rainer Lampe (Dinklage, DE); Heinrich Kersten (Verden, DE)
Assignee: Illinois Tool Works, Inc.
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Quick Facts
Patent No.
US 688,715
App. No.
29/427,973
Granted
Aug 27, 2013
Kind
S1
Claims (1)

The ornamental design for a main cutting insert of a masonry drill bit, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Sep 24, 2014
From: ITW HELLER GMBH
To: HELLER TOOLS GMBH
Reel/Frame 033813/0028 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 23, 2014
From: ILLINOIS TOOL WORKS INC.
To: ITW HELLER GMBH
Reel/Frame 032958/0526 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 1, 2012
From: LAMPE, RAINER; KERSTEN, HEINRICH
To: ILLINOIS TOOL WORKS, INC.
Reel/Frame 029054/0550 →
Priority Claims (1)
EP 001980681-0001 · Jan 25, 2012 · regional